话不多说!先总结:
1、字段相同,类型不同(不复制,也不报错)
2、子类父类
(1)子类传给父类(可以正常复制)
(2)父类传给子类(可以正常复制)
3、子类父类(属性类对象)
(1)子类属性传给父类属性(可以正常复制)
(2)父类属性传给子类属性(不复制,也不报错)
具体代码如下:
1、字段相同,类型不同(不复制,也不报错)
java
RequestVO order = new RequestVO();
order.setLinkId("linkId");
order.setPayType("1");
RequestVO2 order1 = new RequestVO2();
BeanUtils.copyProperties(order, order1);
System.out.println(order1.getLinkId());
System.out.println(order1.getPayType());
java
linkId
null
2、子类父类
(1)子类传给父类(可以正常复制)
java
RequestVTest order1 = new RequestVTest();
order1.setLinkId("linkId1");
order1.setOrderId("orderId1");
order1.setPayType("payType");
RequestVO order = new RequestVO();
BeanUtils.copyProperties(order1, order);
System.out.println(order.getLinkId());
System.out.println(order.getPayType());
java
linkId1
payType
(2)父类传给子类(可以正常复制)
java
OneToManyOrderRequestVTest order1 = new RequestVTest();
RequestVO order = new RequestVO();
order.setLinkId("linkId1");
order.setOrderId("orderId1");
BeanUtils.copyProperties(order, order1);
System.out.println(order1.getLinkId());
System.out.println(order1.getOrderId());
java
linkId1
orderId1
3、子类父类(属性类对象)
(1)子类属性传给父类属性(可以正常复制)
java
UserRequestVO vo = new UserRequestVO();
UserRequestVO2 vo1 = new UserRequestVO2();
RequestVTest order1 = new RequestVTest();
order1.setLinkId("linkId1");
order1.setOrderId("orderId1");
vo1.setOrderRequestVO(order1);
BeanUtils.copyProperties(vo1, vo);
System.out.println(vo.getOrderRequestVO().getLinkId());
System.out.println(vo.getOrderRequestVO().getOrderId());
java
linkId1
orderId1
(2)父类属性传给子类属性(不复制,也不报错)
java
UserRequestVO vo = new UserRequestVO();
OrderRequestVO order1 = new OrderRequestVO();
order1.setLinkId("linkId1");
order1.setOrderId("orderId1");
vo.setOrderRequestVO(order1);
UserRequestVO2 vo1 = new UserRequestVO2();
vo1.setOrderRequestVO(new OrderRequestVTest());
BeanUtils.copyProperties(vo, vo1);
System.out.println(vo1.getOrderRequestVO().getLinkId());
System.out.println(vo1.getOrderRequestVO().getOrderId());
java
null
null